Reason for GPS problems found!
mjrauhal at cc.helsinki.fi
Wed Jul 16 00:07:44 CEST 2008
ti, 2008-07-15 kello 23:29 +0200, Joerg Reisenweber kirjoitti:
> The good news: *IF* all pans out, there's (or soon will be) a new kernel at
> Andy branch that stops SD-card clock when SDcard is idle. We hope this will
> almost cure the problem, at least reduce it to sth like "you can't GPS while
> watching video from SD" or the like (hope you can cope with that ;).
It does sound plausible that it'd be "okay" with sufficient SD buffering
at least. Interesting to see how it pans out.
To give a more visible voice to some ponderings that have been on the
IRC channel, I'll toss this followup question out here: Can the SD bus,
when active, additionally be (stably) underclocked (when GPS is in use
or maybe just when getting a fix) and, of course, would this have any
> We're about to verify a hw-fix so you could even watch video and still
> have GPS positioning during that.
Excellent. One would hope official retailers *cough*pulster*cough* would
be able to perform such an operation, once verified; perhaps allow for
fixes being done by local hw-capable people (sadly not me) without
> And *please* don't try weird reworks and maybe break your FR by doing so
Yeaah sorry about that tinfoil quip ;]
And cheers for keeping us in the loop with this issue.
Mikko Rauhala - mjr at iki.fi - <URL:http://www.iki.fi/mjr/>
Transhumanist - WTA member - <URL:http://www.transhumanism.org/>
Singularitarian - SIAI supporter - <URL:http://www.singinst.org/>
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